Read more: How To Survive If You Fall Overboard – Even If You Don't Know How To Swim So, what do you do if you spot a jellyfish? The simple answer is, stay away. Jellyfish are capable of ...

Most are free-swimming species with the characteristic bell-shaped body, also called a medusa. Cubozoans are more commonly known as box jellyfish. They differ from scyphozoan jellyfish because of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Corals aren’t ...

New research shows that the free-living coral Cycloseris cyclolites migrates toward blue light using a pulsed inflation ...

The two devices could at some point combine components resulting in “a free-floating jellyfish swimming in the ocean that can adjust to flows and stay in currents that we want it to stay for sensing ...

which collectively drive the coral's forward movement in a manner similar to jellyfish swimming. Credit: Dr. Brett Lewis Cycloseris cyclolites was also shown to exhibit a strong preference for ...